.banner {
    font-size: 0;
}

.banner img {
    width: 100%;
}

.top {
    border-bottom: 1px solid #000;
    padding-bottom: 20px;
    margin-top: 40px;
}

.top .top-wrap {
    width: 1200px;
    margin: 0 auto;
}

.top .title {
    font-size: 24px;
    line-height: 48px;
    color: #0c1517;
    float: left;
    max-width: 870px;
}

.top .select {
    margin-left: 870px;
}

.top .select .select-cell {
    width: 160px;
    height: 48px;
    line-height: 48px;
    display: inline-block;
    background: #e0e0e0;
    text-align: center;
    color: #000;
    font-size: 16px;
    cursor: pointer;
}

.top .select .select-cell.active {
    color: #fff;
    background: #285c94;
}

.content {
    width: 980px;
    margin: 0 auto;
    padding-top: 60px;
    padding-bottom: 120px;
}

.content .desc p {
    font-size: 16px;
    color: #0c1517;
    line-height: 30px;
}

.content-img img {
    margin-top: 30px;
    width: 100%;
}

.content-video {
    margin-bottom: 40px;
}